Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation. Conditions: Each must be used exactly once and no other numbers or symbols can be used.

What's a single-digit number with no value?

A Shopkeeper sold a few chickens to four different customers on a particular day. It was such that each customer purchased half of the remaining chickens and half the chicken more.

Can you find out how many chicken were sold by the shopkeeper on that day if we tell you that the fourth customer bought a single chicken ?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

Using Only Five 5's and any mathematical operator make sum as 37

In the image below, can you find the value of an angle(y)

Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.